Factory Fit Capacity Also Fits 17 10 Round 9mm 19/26/34 19 10 Round 9mm 26 26 10 Round 9mm N/A 27 9 Round .40 N/A 42(9rd) 9 Round .380 N/A 42(7rd) 7 Round .380 N/A 43(9rd) 9 Round 9mm N/A 43(7rd) 7 Round 9mm N/A This ETS Translucent is a great choice… and for reasons other than it just looks way cool! It is guaranteed to fit and function perfectly and it’s compatible with both Glock and aftermarket magazine products. The baseplate is specifically designed for easy disassembly and ergonomically enhanced to make it easy to grab. The advanced polymer construction makes it extremely impact resistant and protected from harsh chemicals. The superior heat, cold, and UV resistance means it won’t become brittle, even when exposed to harsh environments or extreme cold. This polymer construction also makes is creep resistant — feed lips and body won’t “spread” even under long term, fully loaded storage. And did we mention that it’s translucent and you can easily see, at a glance, which mags are fully or only partially loaded.